Ethynation
乙炔化
🗣️ 情景例句
I couldn't be more sure, Susan.
我再确定不过了， Susan。
To beat
殴打，打击
It's missing head happened to be among remains of the fifth century B.C.
而她那身异处的脑袋却碰巧是在公元前5世纪的文物中找到的。